1.

Take a 9 V battery and a small torchbulb and connecting wires. Take twopiecesas shown in figure (a) and observe theintensity of the bulb.Now join the wires as shown in figure(b). Observe the brightness of bulb.of nichrome wire. Join the wires

Answer»

(a) This is a series connection and effective resistance will be higher. Therefore brightness will be less.(b) This is a parallel connection and effective resistance is less. The brightness will be more.



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